As important as sound effects are, you cannot copy and upload them from any video. A license needs to be attached. Yes, you can create your sound effects, but that is neither easy nor feasible. Here ...
The official way to use copyrighted music on YouTube is through YouTube Studio > Audio library. The audio library includes free music and sound effects, some of which don't even require attribution.
Sometimes, very small parts of a game can have a surprisingly large presence in the zeitgeist, like “press F to pay respects” from Call of Duty. One of these small but mighty memes is the “oof” sound ...
Like it or loathe it, video has proven to be the most engaging of all mediums across the web, and today a company out of Israel called Artlist — which provides royalty-free libraries of music, sound ...